Unblockable
"Hermione... is this what I think it is?"
"Third year Arithmancy text introduction... what of it?"
"Yeah... but this part specifically..."
"The Arithmetic breakdown of the Killing... Curse..." Hermione slowed to a stop as she stared at the book in Harry's hands. "Wizards can't be that stupid..."
"Think we could use this to modify an Obliviate to be unblockable?"
"Sometimes Harry, I don't know weither to kiss you or drag you off to a broom cupboard..."
